I am a fraud. I just drove the route and noticed a 10% inaccuracy of the cycle computer to the car. Apparently for the cycle computer the wheel circumference is 2133mm based on the tyre size chart. By measuring the cirumference on the deck it is actually only 2007 mm.
2007 down from 2133 is clearly 26mm per revolution over optmistic.
I have adjusted the cycle computer accordingly. Based on the trip meter in the car the actual distance cycled on Sunday morning was only 18 miles and not 20 as thought.
Apologies.
2007 down from 2133 is clearly 26mm per revolution over optmistic.
I have adjusted the cycle computer accordingly. Based on the trip meter in the car the actual distance cycled on Sunday morning was only 18 miles and not 20 as thought.
Apologies.
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